OSV-2025-32 UNKNOWN READ in std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
An attacker can cause a denial of service via a memory read error in the Poco library's NTLM credential parsing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2025-32?
OSV-2025-32 is a memory corruption vulnerability in poco, published on 16 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=389754841
Crash type: UNKNOWN READ
Crash state:
std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
Poco::Net::NTLMCredentials::parseChallengeMessage
Poco::Net::HTTPNTLMCredentials::createNTLMMessage
Which versions are affected by OSV-2025-32?
1 open source package ship an affected version, including poco.
| Package | Affected | Fixed in |
|---|---|---|
poco OSS-Fuzz | All versions | None |
How do I fix OSV-2025-32?
No fix has been published for OSV-2025-32 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is OSV-2025-32 being exploited?
There is no known exploitation of OSV-2025-32 in the wild and no public exploit code.