CVE-2025-24855: Use After Free

Published Jan 27, 2025
·
Updated

Accessibility. An authentication issue was addressed with improved state management.

Other sources

AirPlay. A null pointer dereference was addressed with improved input validation.

— Apple

AirPlay. A type confusion issue was addressed with improved checks.

— Apple

AirPlay. An input validation issue was addressed.

— Apple

AirPlay. The issue was addressed with improved memory handling.

— Apple

AppKit. The issue was addressed with additional permissions checks.

— Apple

Credit

pattern-f@@pattern_F_, Michael (Biscuit) Thomas @social.lol)@@biscuit, Ivan Fratric(Google Project Zero), Mickey Jin@@patch1t, @@RenwaX23, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), an anonymous researcher, Q1IQ@@q1iqF(NUS CuriOSity), P1umer@@p1umer(Imperial Global Singapore), linjy(HKUS3Lab), chluo(WHUSecLab), Mateusz Krzywicki@@krzywix, Joseph Ravichandran@@0xjprx(MIT CSAIL), Hichem Maloufi, Hakim Boukhadra, Anonymous(Trend Micro Zero Day Initiative), 风(binary_fmyy), Minghao Lin@(Y1nKoc), Kirin@@Pwnrin, Pedro Tôrres@@t0rr3sp3dr0, Josh Parnham@@joshparnham, Arsenii Kostromin (0x3c3e), 神罚@@Pwnrin, Zhongquan Li@@Guluisacat, Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Junsung Lee, Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), Yann GASCUEL(Alter Solutions), Adam M., Johan Carlsson (joaxcar), PixiePoint Security, Minghao Lin@@Y1nKoc, Yiğit Can YILMAZ@@yilmazcanyigit, Eric Dorphy(Twin Cities App Dev LLC), jioundai(360 Vulnerability Research Institute), chen fengjiao(HBC), Jonathan Bar Or@@yo_yo_yo_jbo(Microsoft), Guilherme Rambo(Best Buddy Apps), mastersplinter, Jason Gendron@@gendron_jason, 이준성 (Junsung Lee), Uri Katz (Oligo Security), D4m0n, Bohdan Stasiuk@@Bohdan_Stasiuk, Minghao Lin@@Y1nKoc(Zhejiang University), babywu(Zhejiang University), (Zhejiang University), Xingwei Lin(Zhejiang University), Wang Yu(Cyberserval), Google Threat Analysis Group, Desmond(Trend Micro Zero Day Initiative), Pwn2car & Rotiple (HyeongSeok Jang)(Trend Micro Zero Day Initiative), CVE-2025-24085, Song Hyun Bae@@bshyuunn, Lee Dong Ha (Who4mI), Matej Moravec@@MacejkoMoravec, Joshua Jones, DongJun Kim@@smlijun, JongSeong Kim in Enki WhiteHat@@nevul37, Denis Tokarev@@illusionofcha0s, Zikan Wang@@Lakr233, Abhay Kailasia@@abhay_kailasia(C), Pwn2car & Rotiple(HyeongSeok Jang)(Trend Micro Zero Day Initiative), Gary Kwong, CertiK SkyFall Team

Affected Software

29 affected componentsFixes available
libxslt libxslt<1.1.43
Apple visionOS<2.3
2.3
Apple WatchOS<11.3
11.3
Apple iPadOS<17.7.4
17.7.4
Apple tvOS<18.3
18.3
F5 Traffix SDC=5.2.0
5.2.0
Apple macOS Sequoia<15.3
15.3
Xmlsoft Libxslt<1.1.43
Apple macOS Ventura<13.7.3
13.7.3
Apple macOS Sonoma<14.7.3
14.7.3
Apple iOS<18.3
18.3
Apple iPadOS<18.3
18.3
Microsoft azl3 libxslt 1.1.43-1
Microsoft cbl2 libxslt 1.1.34-8
Microsoft azl3 libxslt 1.1.39-1
debian/libxslt
1.1.35-1+deb12u41.1.35-1+deb12u31.1.35-1.2+deb13u31.1.35-1.2+deb13u21.1.45-0.1
alpine/libxslt<1.1.38-r1
1.1.38-r1
alpine/libxslt<1.1.39-r1
1.1.39-r1
alpine/libxslt<1.1.39-r2
1.1.39-r2
alpine/libxslt<1.1.42-r2
1.1.42-r2
alpine/libxslt<1.1.43-r0
1.1.43-r0
alpine/libxslt<1.1.43-r0
1.1.43-r0
alpine/libxslt<1.1.43-r0
1.1.43-r0
alpine/qt5-qtwebengine<5.15.17-r7
5.15.17-r7
alpine/qt5-qtwebengine<5.15.17-r10
5.15.17-r10
alpine/qt5-qtwebengine<5.15.17-r10
5.15.17-r10
alpine/qt6-qtwebengine<6.8.2-r3
6.8.2-r3
alpine/qt6-qtwebengine<6.8.2-r3
6.8.2-r3
alpine/qt6-qtwebengine<6.8.2-r3
6.8.2-r3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade visionOS to a version that resolves this vulnerability.

    Fixed in 2.3
  2. Upgrade

    Upgrade Apple iOS, iPadOS, and watchOS to a version that resolves this vulnerability.

    Fixed in 11.3
  3. Upgrade

    Upgrade Apple iOS, iPadOS, and macOS to a version that resolves this vulnerability.

    Fixed in 17.7.4
  4. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 18.3
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 5.2.0
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.3
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 13.7.3
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 14.7.3
  9. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 18.3
  10. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 17.7.4
  11. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.3
  12. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 11.3
  13. Upgrade

    Upgrade debian/libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.35-1+deb12u4Fixed in 1.1.35-1+deb12u3Fixed in 1.1.35-1.2+deb13u3Fixed in 1.1.35-1.2+deb13u2Fixed in 1.1.45-0.1
  14. Upgrade

    Upgrade alpine/libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.38-r1
  15. Upgrade

    Upgrade alpine/libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.39-r1
  16. Upgrade

    Upgrade alpine/libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.39-r2
  17. Upgrade

    Upgrade alpine/libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.42-r2
  18. Upgrade

    Upgrade alpine/libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.43-r0
  19. Upgrade

    Upgrade alpine/qt5-qtwebengine to a version that resolves this vulnerability.

    Fixed in 5.15.17-r7
  20. Upgrade

    Upgrade alpine/qt5-qtwebengine to a version that resolves this vulnerability.

    Fixed in 5.15.17-r10
  21. Upgrade

    Upgrade alpine/qt6-qtwebengine to a version that resolves this vulnerability.

    Fixed in 6.8.2-r3
  22. Upgrade

    Upgrade libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.43
  23. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch CVE-2024-55549
  24. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch CVE-2025-24855

Event History

Jan 27, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Mar 14, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Data Sourced
via Red Hat·02:01 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·02:15 AM
Affected Software
Mar 25, 2025
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeaknessAffected Software
Aug 11, 2025
Advisory Published
via F5·12:58 AM
Data Sourced
via F5·12:58 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2025-24855?

CVE-2025-24855 has a moderate severity level due to its use-after-free vulnerability in nested XPath evaluations.

2

How do I fix CVE-2025-24855?

To fix CVE-2025-24855, upgrade libxslt to version 1.1.43 or later.

3

Which versions of libxslt are affected by CVE-2025-24855?

CVE-2025-24855 affects all versions of libxslt prior to 1.1.43.

4

What components are involved in CVE-2025-24855?

CVE-2025-24855 involves the functions xsltNumberFormatGetValue, xsltEvalXPathPredicate, xsltEvalXPathStringNs, and xsltComputeSortResultInternal.

5

What type of vulnerability is CVE-2025-24855?

CVE-2025-24855 is classified as a use-after-free vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203